Home / 203,929.10-305,893.65-156,635.23

Finding the Fourth Proportional to 203,929.10, 305,893.65 and 156,635.23

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Solution

The fourth proportional to 203,929.10, 305,893.65 and 156,635.23 is: 234,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.10 : 305,893.65 = 156,635.23 : x
  2. Step 2: Convert to fraction form
    203,929.10/305,893.65 = 156,635.23/x
  3. Step 3: Cross multiply
    203,929.10x = 305,893.65 × 156,635.23
  4. Step 4: Simplify right side
    203,929.10x = 47,913,722,223.29
  5. Step 5: Solve for x
    x = 47,913,722,223.29/203,929.10
  6. Step 6: Final answer
    x = 234,952.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.